Flow camera document-copying machine



J1me 14, 1949. F. c. YOHN 2,472,931

FLQW CAMERA DOCUMENT-COPYING MACHINES 24 Sheets=$heet l Filedqan, 11', 1945 INVENTOR. FRED C.YUHN

ATTORNEYS. I

June 14, 1949. F. c. YOHN 2,472,931

FLOW CAMERA DOCUMENT-COPYING MACHINES Filed Jan. 11, 1945- 24 Sheets-Sheet 3 INVENTOR. FRED U. YUHN Jaw M 4- w .HTIZORLVE/YS'.

June 14, 1949. F. c. YOHN 2,472,931

mow CAMERA nocummnw-cornue' mcnmzs Filed Jan. 11, 1945 24 Sheets-Sheet 4 IN V EN TOR. FRED CZYDHN wwhy F. c. YOHN I FLO CAMERA DOCUIENT-CQPYING MACHINES June 14, 1949.

24 Sheets-Sheet 5 Filed Jan, 11, 1945 Z 3 m J Q n z Q 2. w I M a 1 f 8 0 w Z n m m INVENTOR. FRED G. YUHN June 14, 1949. F. c. YOHN 2,472,933

mow CAMERA DOCUMENT-COPYING mcnmms Filed. Jan. .11, 1945 24 sheets sheet 6 Fill] lnvmvrox. FRED CLYCIHN H 1 TORNEYS June 14, 1949. F. c. YOHN 2,472,931

FLOW CAMERA DOCUIENT-COPYING IACHINBS Filed Jan. 11, 1945 24 Sheets-Sheet 8 A F iii g T f T INVENTOR. FREE 8. YGHN WMw HTZORNEYS June 14, 1949. F. c. Y OHN 2,472,931

FLOW CAMERA DOCUMENT-COPYING MACHINES Filed Jan. 11, 1945 24 Sheets-Sheet 9 FIBJ 7 3 INVENTOR.

FRED C. YUHN MM 1' QM-- HTTORNEYS.

June 14, 1949. F. c. YOHN 2,472,931

FLOW CAMERA DOCUMENT-COPYING MACHINES Filed Jan. 11, 1945 24 Sheets-Sheet 10 QI M+M fl TTORNEYS- June 14, 1949. c, YOHN 2,472,931

FLOW CAMERA DOCUMENT-COPYING MACHINES Filed Jan. 11, 1945 24 Sheets-Sheet 12 1524. FIELES- IN VEN TUR.

FRED CLYUH/s HTYORWEYS.

June 14, 1949. F. c. YOHN 2,472,931

FLOW CAMERA DOCUMENT-COPYING MACHINES Filed Jan. 11, 1945 24 Sheets-Sheet 13 D 220 3| 76 492 77 5 1 55 7a [77 I75 I INVENTOR. F RED ELYUHN /68 BY WMM H TTORNEYS.

June 14, 1949. F. C, YO N 2,472,931

FLOW CAMERA DOCUMENT-COPYING MACHINES 24 Sheets-Sheet '14 F'lELES.

2 108m Y &2

Filed Jan. 11, 1945 /6 IN! 'ENTOR.

FRED ELYDHN ML-r-M fl TTORNEYS.

June 14, 1949. F. c. YYOHN FLOW CAMERA DOCUMENT-COPYING MACHINES- 24 Sheets-Sheet 15 Filed Jan. 11, 1945 INVENTOR.

HTTORNEYS.

vF ED ELYUHN I FLOW CAMERA DOCUMENT-COPYING MACHINES J 11 1945 24 Sheets-Sheet 16 Filed an.

FIB-5|- 41 I INVENTOR. I F7255 arm-m 235 r June 14, 1949. F. c. YOHN 2,472,931

FLOW CAMERA DOCUMENT-COPYING MACHINEb Filed Jan. 11, 1945 24 Sheets-Sheet 17 INBVENTOR FRED GYU HN M QAl-y HTTOMVEYS'.

June 14, 1949. F. c. YOHN 2,472,931

FLOW CAMERA DOCUMENT-COPYING MACHINES Filed Jan. 11, 1945 24 Sheets-Sheet 19 5 (2 n N 3 U1 .2 2

LL INVENTOR.

FREDELYUHN UMW '3MZ HTTORNEYS'.

June 14, 1949.

Filed Jan. 11, 1945 F. C. YOHN FLOW CAMERA DOCUMENT-COPYING MACHINES P'osl-rlou FolzsmaE x SIDE. OPERATION PosmoN DURING CHANGE FROM ONEOPERATION 'o ANQTHER POBITloN Fol TWO SIDE OPERATION 24 Sheets-Sheet 20 JNVENTOR FRED CLYUHA AJMM'A'M .HTIQRNEYS'. 

